Finding the Fourth Proportional to 3,559,785.75, 5,335,946.13 and 1,664,930.07
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Solution
The fourth proportional to 3,559,785.75, 5,335,946.13 and 1,664,930.07 is: 2,495,649.40
Step by Step Solution
- Step 1: Write the proportion equation
3,559,785.75 : 5,335,946.13 = 1,664,930.07 : x - Step 2: Convert to fraction form
3,559,785.75/5,335,946.13 = 1,664,930.07/x - Step 3: Cross multiply
3,559,785.75x = 5,335,946.13 × 1,664,930.07 - Step 4: Simplify right side
3,559,785.75x = 8,883,977,163,737.13 - Step 5: Solve for x
x = 8,883,977,163,737.13/3,559,785.75 - Step 6: Final answer
x = 2,495,649.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.